/**
 *  Copyright 2012 Diego Ceccarelli
 *
 *  Licensed under the Apache License, Version 2.0 (the "License");
 *  you may not use this file except in compliance with the License.
 *  You may obtain a copy of the License at
 * 
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 *  Unless required by applicable law or agreed to in writing, software
 *  distributed under the License is distributed on an "AS IS" BASIS,
 *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *  See the License for the specific language governing permissions and
 *  limitations under the License.
 */
package it.cnr.isti.hpc.dexter.spot.cleanpipe.cleaner;

/**
 * Removes a matching prefix
 * 
 * @author Diego Ceccarelli, diego.ceccarelli@isti.cnr.it created on 21/lug/2012
 */
public class PrefixCleaner extends Cleaner<String> {

	String pattern;

	public final static PrefixCleaner A_OR_THE = new PrefixCleaner("(a|the) ");

	public PrefixCleaner(String pattern) {
		this.pattern = "^[ ]*" + pattern + "[ ]*";
		System.out.println(this.pattern);
	}

	public String clean(String spot) {
		return spot.replaceAll(pattern, "");
	}

}
